A. The email has been installed by the company.
B. The email is installed by them.
C. The email has being installed by the company.
D. The email had been installed by the company.

A. The room will have being solved by my mother.
B. The room is solved by them.
C. The room will have been solved by my mother.
D. The room is solved by them.

A. The file was being closed by the police.
B. The file was being closing by the police.
C. The file is closed by them.
D. The file is being closed by the police.

A. The tickets will have being changed by the government.
B. The tickets will have been changed by the government.
C. The tickets is changed by them.
D. The tickets is changed by them.

A. The file is buyed by them.
B. The file can be buying by the doctor.
C. The file can be bought by the doctor.
D. The file could be buyed by the doctor.

A. The form could be readed by the lawyer.
B. The form is read by them.
C. The form is read by them.
D. The form could be reading by the lawyer.

A. The test is installed by them.
B. The test could be installed by the author.
C. The test is installed by them.
D. The test could be installing by the author.

A. The window would be reported by the students.
B. The window will be reporting by the students.
C. The window will be reported by the students.
D. The window is reported by them.

A. The email is teached by them.
B. The email is teached by them.
C. The email will have been taught by the farmer.
D. The email will have being teached by the farmer.

A. The database had being reported by the team leader.
B. The database had been reported by the team leader.
C. The database is reported by them.
D. The database is reported by them.